Extraction Optimization, Preliminary Identification, and Bioactivities in Corn Silk

Table 4

Gradient elution program of the qualitative analysis.

Retention (min)	%A	%B
0	95.0	5.0
1	95.0	5.0
8	60.0	40.0
15	50.0	50.0
27	30.0	70.0
35	10.0	90.0
36	10.0	90.0
37	95.0	5.0
40	95.0	5.0